Activist investor Bill Ackman’s Pershing Square Capital Management LP has put forth its slate of six board nominees for takeover target Allergan Inc. in its move to try to unseat a majority of the company’s directors.

Pershing Square, Allergan’s largest shareholder, is backing Laval, Que.-based Valeant Pharmaceuticals International Inc. in its $54-billion (U.S.) hostile takeover bid for Botox-maker Allergan…

Read on: Globe and Mail